随着当代信息技术的发展，互联网的共享性，开放性以及互联程度也再不断扩大。其中Internet的广泛普及，商业数字货币。网络银行等一部分网络新业务的迅速兴起，使得计算机网络的安全问题越来越显得重要，本文归纳总结，并提出网络信息中的一些安全防护策略。

With the development of modern information technology，Internet sharing and availablity as well as their interconnection is increasingly expanding．New Internet such as commercial digital currency and Internet banking are in a rapid rise due to the Internet’s popularity，and then the computer network security become more and more important．This article summarizes some research and gives some recommendation of the network information security．